In general, people will feel sleepy at night and go to bed. However, there is a kind of people in real life. The more they go to the spirit at night, the day and night become their daily routine.
In this regard, a new study published in the US "Cell" magazine pointed out that staying up late is a special constitution caused by genetic mutations.
According to the research report, people who like to stay up all night are basically included in the medical category of "sleep phase shifting", and the body clock is controlled by a gene called CRY1. When the CRY1 specific site mutates, the body clock changes.
Usually, people with CRY1 gene mutations sleep 2 to 2.5 hours later than the average person.
The report also pointed out that the CRY1 gene mutation is not uncommon. Researchers have estimated that one out of every 75 non-Finnish Europeans carries the CRY1 variant. And the mutation is also inherited. The researchers investigated a family member of a US patient with a “sleep phase shift†and found that the five relatives of the patient also had this variation, and they all had a “sleep phase shiftâ€. disease".
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